New discoveries are being made in health and biology on a regular basis. Shawn will meet up with a biomedical scientist who will introduce him to his fascinating career studying viruses and immunities. Than Helena will go to a church where the pastor will speak with her about what inspired him to enter the ministry and how he works daily with the church?s members. Hostage situations are never taken lightly. Shawn will meet a police officer who specializes in negotiating the safe release of hostages and victims from a captor.