3 Nights 4 Days is about four friends Rahul, Rocky, Amay, Priya, Antara, Zoha who were best of the friends in Pune University. It’s been three years since they passed out and parted ways. They all were completely out of touch, being busy in their respective career.
Now Rocky is getting married in Goa with his two year old girlfriend Marianne who is from Croatia. This is the time of reunion old friends reunite to join Rocky on his wedding in Goa but things are not the same with Rahul, Priya and Zoha…their personalities have changed, their ideologies have changed, their commitments and goals have changed while Amay and Antara are just the same.
As they set off on this trip, things start coming out in the form of conversations and activities, they all witness Marianne backing away from the commitment of marriage leaving Rocky bereft but she finally comes back after realizing that falling in love with Rocky was the best thing to happen to her.