Four brothers Roy, Tony, Rafi and Aby get drunk on the night before Tony's wedding. Their family members send them to a Christian de-addiction centre,but are kicked out. When they decide and starts a road trip,they are accompanied by 2 women Reetha (Amala Paul) and Prayaga (Anu Sithara),who have escaped from a critical situation. When they reach a hotel,on the eve of New Year 2017,they sleep late after celebration. On the next day Reetha is found murdered. Finding the culprit and the reason behind her death is the main plot of this movie. It is later revealed that it was Prayaga,who is the culprit as Reetha was against Prayaga's marriage to anyone. Reetha was a tomboy from her childhood,who has always wished to be Prayaga's partner.