Jocelyn decided to take a vacation to Luke's farm for the rest of the summer, but Clary was upset about this. She did not want to leave. Instead, she stormed out of the apartment, and went the Eric's poetry slam. There, with Simon, she meets Jace again. I won't spoil it for you, but if you have any more questions about this book, just PM me!
Explanation: luke ( thats the theif name i think) stole the bolt because his dad didn't care about him and posidin never helped his son and left percys mom on her own.