Complex sentence: With no one to help him, Julian ends up in jail, awaiting trial for the murder; however, at the end Michelle risks her reputation and that of her husband to provide Julian with the alibi that can save him from prison.
Split into simpler sentences: With no one to help him, Julian ends up in jail, awaiting trial for the murder. However, when all seems lost, Michelle risks her reputation and that of her husband to provide Julian with the alibi that can save him from prison.