Justin Quayle is an English gentle diplomat who is sent to the embassy of Kenya, he takes his wife Tessa who is an impulsive youth that he met in a conference. Tessa is a tenacious activist that fights for the rights of the poor people and she helps attending to Doctor Arnold Bluhm. Tessa finds out accidentally that a powerful pharmacist firm (3 Bees) tries to prove a medication among the Africans, that supposedly will carry colateral damages that will produce monetary big benefits for the company. Tessa is more involved in the matter and she decides to request help to Sandy, a Justin's friend, because she don't want to involve to her husband. Tessa is murdered in a trip to the north of Kenya and the authority try to accuse Arnold for a pasional crime. Justin that is a fan of the gardening, decides to clarify the crime until the last consequences, this take him to uncover dirty arrangements of the powerful, who threaten him and they drive him to make the decision of taking off his life in the same place where they killed his dear wife. (Justin Quayle es un apacible diplomatico ingles que es enviado a la embajada de Kenia, ahi lleva a su esposa Tessa, que es una joven impulsiva a la que conocio en una conferencia. Tessa es una tenaz activista que lucha por los derechos de los que menos tienen y trata de ayudar asistiendo al medico Arnold Bluhm. Tessa se entera accidentalmente, que una poderosa firma farmaceutica (3 Abejas) intenta probar un medicamento entre los africanos, lo cual supuestamente acarreará daños colaterales que produciran grandes beneficios monetarios para la empresa. Tessa se involucra mas y decide pedir ayuda a Sandy, amigo de Justin, para no involucrar a su esposo. Tessa es asesinada en una travesia al norte de Kenia e intentan culpar a Arnold por un crimen pasional. Justin, que es un aficionado a la jardineria, decide esclarecer el crimen de su esposa hasta las ultimas consecuencias, esto lo lleva a destapar sucios arreglos de los poderosos, que intentan amenazarlo y lo conducen a tomar la decisión de quitarse la vida en el mismo lugar donde mataron a su amada compañera).