It's wrong to go through someone else's phone.
Anna heard her boyfriend Kevin talking to someone quietly on the phone.
Anna wants to find out was on the phone.
Anna asks Kevin who he was talking to instead of going through his phone to find out.
When Anna sees Kevin's phone on the table she looks through his phone calls to see who he was talking to.
Kevin tells Anna that he was talking to a old friend.
Kevin catches Anna with his phone and asks her what she's doing going through it.