The movie follows Musa, a Palestinian man who loses his wife and son in a violent attack by Jewish extremists. Seeking revenge, Musa plans to carry out an act of terrorism against Israeli civilians. Yigal, an Israeli man who is grieving the loss of his daughter to a Palestinian suicide bomber, is consumed by hatred and a desire for justice.
Randa, a young Palestinian woman, becomes involved in their lives when she is the only survivor of a car accident that claims the lives of Musa's family. In a twist of fate, Randa receives a heart transplant from Yigal's daughter, connecting their destinies in a way they never could have imagined.
As Randa struggles with conflicting feelings of gratitude and guilt, Musa and Yigal are forced to confront their own prejudices and preconceived notions about the "other." The three characters find themselves grappling with questions of forgiveness, reconciliation, and the possibility of coexistence in a divided land.
Ultimately, Mourning in Lod is a powerful exploration of the human cost of the Israeli-Palestinian conflict and the potential for healing and understanding in the face of seemingly insurmountable odds.