A young woman struggles with her identity as she comes to terms with the death of her husband.

17-year-old Agnes is spending easter break with her friends, Frida, Frederik and Oscar. It's spring, the flowers are blossoming, but something is hiding underneath the idyll. Agnes is secretly in love with Frida. But Frida is dating Oscar and Agnes feels herself drifting further away from the girl she loves. Torn between confession and silence, Agnes has a choice to make. Will she reveal her love or be silenced by fear and shame? Three is a Crowd is a tender coming-of-age story about the blurred lines between love and friendship, and the solitude of discovering yourself as a young queer woman.