On Christmas Eve, Albert (Vijay Sethupathi) returns home after several years of being away. Grieving for and adjusting to the loss of his mother, he steps out seeking cheer in the city's Christmas Eve festivities. He meets the beautiful and mysterious Maria (Katrina Kaif), and her little daughter who is mute. The night fans into long walks and conversations, sparking unexpected, but undeniable, magnetism between Albert and Maria. For Maria, Albert is everything she could have asked for... And for Albert, Maria is nothing short of a Christmas miracle. But things soon take a dark turn and an evening of romance turns into a nightmare.