Dawn and Buffy take their mother in for more tests and Riley finds this out from Spike.  Glory shows up at the Magic Shop and buys ingredients for a powerful dark magic spell that will enable it to tranform a snake to seek the Key in it's new form.  When Giles finds out what happened from Anya, they tell Buffy who goes to stop her.  After getting severly beaten, Buffy returned to the Magic Shop.  Before they leave, the snake shows up.  After seeing Dawn, it takes off and Buffy follows.  She succeeds in killing it before it can reach Glory.  Meanwhile, the doctors find a shadow on Joyce's brain and will need to do a biopsy to determine what it is.