Saving lives in the centre of London is a difficult job, but paramedics Zeb and Sirena share the burden together. When working in different areas of the service, they find each other, bringing the promise of a fulfilling life together. However, this line of work can be unpredictable. Will their new love survive the test of a tragic event? Will heartache lead to heartbreak? This is a story of two people that find new love, and a hope for a bright future tested to levels that they could not have imagined. Do either of them have the strength to survive?