This Guy's in Love with U, Mare is about a unlikely love triangle. When Lester (Vice Ganda) caught his boyfriend (Luis Manzano) proposing marriage to Gemma (Tony Gonzaga), it seems like the whole world came crushing down on him. This is when he got the brilliant plan to sweep off Gemma from his ex by making her fall for him. From then on chaos ensues. Will Lester emerged victorious and win back his old partner?