Four couples, each at a dramatically different stage of their relationship, come together to celebrate New Year's Eve. The friends begin to interact, discussing love and what makes a successful romantic relationship. Each person represents a different philosophy of love, a different approach to romantic relationships. As the film progresses, the opposing viewpoints of these characters and others begin to clash, with each character being forced to reflect on their relationship. Secrets are revealed, relationships evolve, and at midnight, nothing is the same.