A clandestine organisation known as Singapennae is a group of vigilante women who undertake reprisals to correct injustice done to women. The cases are reported on an online website which is a front solving legal and property matters and giving therapy advice. Each of them is a unique personality of their own and they are able to combine their talents to exact justice for the wronged women.

Singapennae go into action to return Dhanalaxmi, who had been scammed by her ex-boyfriend, her lifesavings. The news goes viral and many people talk about Singapennae which comes to the attention of the police. Thenna receives information that the website could be the people behind his brother’s arrest and he appoints his own hacker to find out more. Jaq meets a cheerful Cafe owner Isaac, who seems to have a liking for her while Maya is having...

A model and beauty queen Rathi, is under lock and key by her husband, Ruthra, who seems to be abusing her. Her manager contacts Singapennae for help, and the women spring to action. However not everything goes according to plan. Vinaya has tension at home with her husband due to the lack of time she spends with her family. Jhanvi encounters a figure of her past she wants to erase memories of.

The girls have a fall-out over the recent failed mission and Vinaya wants to take a break to spend time with her family. Thenna, with the help of his IT expert Varathan, comes closer to finding it out the owners of the website. Isaac begins his pursuit of Jaq and realises the tragedy in Jaq’s life that has made her this way.

The women come together to celebrate a birthday. Maya finally manages to get through to Karthik, who reveals his crush on her. Karthik goes to meet Maya’s father, who turns out to be a very unique character. Jaq relents and goes on an outing with Isaac, with both of them revealing how they feel. Virus Varathan, Thenna’s hacker manages to break the pass code of Singapennae! Website and discovers who has been running it.

The story of Durga and her daughter Thulasi reveals a side of the Singapennae that is unexpected. Jhanvi seeks the help of Vinaya to save her son. Thenna’s quest to find the women results in a catastrophe for the Singapennae ladies. With the police and Thenna’s gang closing in on them, the women are in a position where not only their identity but their safety is at stake.

The police and Thenna’s gang manage to find out more details of the Singapennae resulting in the ladies having a face-off with the villains. A conflict arises at Tigertown Shipping Warehouse leading to tragedy. The Singapennae face a fatality, will they be able to recover and bring the Human Traffickers to justice? The overall boss of Tigertown operations - Veera, comes to town in the midst of a multi-million dollar deal that is going to take...

The ladies go into action one more time for their fallen member, to put an end to Thenna and Veera and their illegal activities with trafficking. Chief Selva has placed strategic moles to aid the operation which are finally revealed. Veera faces off with Singapennae with unexpected results. The finale comes to a grand close, with a shocking twist at the end. Stay tuned during the credits!