Complex sentence: Nick and Matsumoto tail the man to a steel foundry where they find that Sato is meeting with Sugai, and discovers that the package that Sato had stolen in New York contains a printing plate for the American $100 bill.
Split into simpler sentences: Nick and Matsumoto tail the man to a steel foundry where they find that Sato is meeting with Sugai. He meets with Sugai and discovers that the package that Sato had stolen in New York contains a printing plate for the American $100 bill.