Complex sentence: Ian absconds shortly after without telling his family where he is going, so when Lucy discovers Ian's credit card being used in a Rochester hotel a week later, she and Phil Mitchell (Steve McFadden) go in search of him.
Split into simpler sentences: Ian absconds shortly after without telling his family where he is going. When Lucy discovers Ian's credit card being used in a Rochester hotel a week later, she and Phil Mitchell (Steve McFadden) go in search of him.