Chirin is an innocent though adventurous young lamb whose carefree life on the farm comes to an abrupt end when a wolf murders his mother. Confused and angry, Chirin pursues the wolf into the mountains, seeking revenge. The laws of nature are brutal, however, and hatred alone won't be enough to avenge the loss of his mother. Only the strong survive in the wild, and obtaining that strength may change Chirin forever.
This movie contains 8 potentially triggering events.
By spending time with Woe and training with him, Chirin comes to see Woe as a father, renouncing his prior promise to kill Woe when he became strong enough.
Even when he does kill Woe in the end, he bitterly regrets doing so.
The baby lamb tries to save a bird, but fails, and has a meltdown about the weak ones dying brutally. He questions nature, pleads for strength, goes through rage and sadness. Wolf eventually takes him in after watching the lamb shake, scream and bawl.