Bee Season (2005) on Netflix

Plot summary

Saul Naumann teaches religious studies at Berkeley, and his graduate thesis was on the Kabbalah. Miriam, his wife, converted to Judaism for their marriage, and he raised their son Aaron as a studious, observant Jew. Aaron is unsure of the faith pressed on him. When Eliza, his younger sister, wins her class spelling bee, Saul takes charge of her preparation, coaching her with the Kabbalistic teachings he knows, and she keeps winning. Eliza welcomes the renewed attention from her father. In the park Aaron meets a woman named Chali and joins the Hare Krishna movement. Miriam, meanwhile, is beginning an emotional decline that her husband does not see.