When Lavender Brown sees someone in trouble, her first instinct is to go help. So in 5th year, when she has a vision of Snape bitten by a snake, she instantly starts planning to save him. But the future has teeth she can't predict, and security is hard to find. What does it mean to have faith and kindness, when there seems to be so little to go around? Platonic. Crossposted on AO3.